czj/VS Code/Fast Power.cpp

#include <iostream>
using namespace std;
int main()
{
    int a;
    long long int x,y;
    y=1;
    cin>>x>>a;
    while(a!=1)
    {
        if(a%2==0)
        {
            x=x*x;
            a=a/2;
        }
        else
        {
            y=y*x;
            x=x*x;
            a=(a-1)/2;
        }
        cout<<x<<" "<<a<<" "<<y<<endl;
    }
    x=x*y;
    cout<<x<<endl;
    system("pause");
    return 0;
}